#include "stdafx.h"
#include "charset.h"
#include <stdlib.h>

wchar_t * ANSIToUnicode(const char* str)
{
	int textlen;
	wchar_t * result;
	textlen = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
	result = (wchar_t *)malloc((textlen + 1) * sizeof(wchar_t));
	memset(result, 0, (textlen + 1) * sizeof(wchar_t));
	MultiByteToWideChar(CP_ACP, 0, str, -1, (LPWSTR)result, textlen);
	return result;
}

char * UnicodeToANSI(const wchar_t* str)
{
	char* result;
	int textlen;
	textlen = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
	result = (char *)malloc((textlen + 1) * sizeof(char));
	memset(result, 0, sizeof(char) * (textlen + 1));
	WideCharToMultiByte(CP_ACP, 0, str, -1, result, textlen, NULL, NULL);
	return result;
}

wchar_t * UTF8ToUnicode(const char* str)
{
	int textlen;
	wchar_t * result;
	textlen = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
	result = (wchar_t *)malloc((textlen + 1) * sizeof(wchar_t));
	memset(result, 0, (textlen + 1) * sizeof(wchar_t));
	MultiByteToWideChar(CP_UTF8, 0, str, -1, (LPWSTR)result, textlen);
	return result;
}

char * UnicodeToUTF8(const wchar_t* str)
{
	char* result;
	int textlen;
	textlen = WideCharToMultiByte(CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
	result = (char *)malloc((textlen + 1) * sizeof(char));
	memset(result, 0, sizeof(char) * (textlen + 1));
	WideCharToMultiByte(CP_UTF8, 0, str, -1, result, textlen, NULL, NULL);
	return result;
}

char* ANSIToUTF8(const char* str)
{
	return UnicodeToUTF8(ANSIToUnicode(str));
}

char* UTF8ToANSI(const char* str)
{
	return UnicodeToANSI(UTF8ToUnicode(str));
}